Kowalski A, Rossi M, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3999673 A1, 2017-04-18.
发明人韩伟,周伟,罗永刚. "Method for the Synthesis of 2H-Pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 111537810 B, 授权公告日 2021-03-08.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 829, (10), 5618-5638.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2020, 319, 5034-5058.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2H-Pyrazolo[3,4-d]pyrimidin-4-amine Using HRMS and NMR". Sci. Total Environ., 2023, 406, 8328-8338.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2025, 669, 2846-2852.